Masanori Koshiba

Research.com Recognitions

• 2005 - OSA Fellows For contributions to the design and modeling of photonic crystal devices, circuits, and fibers
• 2003 - IEEE Fellow For contributions to the modeling of optical wave propagation in photonics devices.

Overview

Best Publications

• Chromatic dispersion control in photonic crystal fibers: application to ultra-flattened dispersion

  Kunimasa Saitoh;M Koshiba;T Hasegawa;E Sasaoka

  969
  Citations

• Full-vectorial imaginary-distance beam propagation method based on a finite element scheme: application to photonic crystal fibers

  K. Saitoh;M. Koshiba

  789
  Citations

• Analytical Expression of Average Power-Coupling Coefficients for Estimating Intercore Crosstalk in Multicore Fibers

  Masanori Koshiba;Kunimasa Saitoh;Katsuhiro Takenaga;Shoichiro Matsuo

  499
  Citations

• 1.01-Pb/s (12 SDM/222 WDM/456 Gb/s) Crosstalk-managed Transmission with 91.4-b/s/Hz Aggregate Spectral Efficiency

  Hidehiko Takara;Akihide Sano;Takayuki Kobayashi;Hirokazu Kubota

  449
  Citations

• Wavelength division multiplexing and demultiplexing with photonic crystal waveguide couplers

  M. Koshiba

  429
  Citations

• Heterogeneous multi-core fibers: proposal and design principle

  Masanori Koshiba;Kunimasa Saitoh;Yasuo Kokubun

  375
  Citations

• Numerical modeling of photonic crystal fibers

  K. Saitoh;M. Koshiba

  374
  Citations

• Design of a Compact Two-Mode Multi/Demultiplexer Consisting of Multimode Interference Waveguides and a Wavelength-Insensitive Phase Shifter for Mode-Division Multiplexing Transmission

  T. Uematsu;Y. Ishizaka;Y. Kawaguchi;K. Saitoh

  371
  Citations

• Single-polarization single-mode photonic crystal fibers

  K. Saitoh;M. Koshiba

  331
  Citations

• Empirical relations for simple design of photonic crystal fibers.

  Kunimasa Saitoh;Masanori Koshiba

  331
  Citations

• Leakage loss and group velocity dispersion in air-core photonic bandgap fibers

  Kunimasa Saitoh;Masanori Koshiba

  329
  Citations

• Highly nonlinear dispersion-flattened photonic crystal fibers for supercontinuum generation in a telecommunication window.

  Kunimasa Saitoh;Masanori Koshiba

  325
  Citations

• Coupling characteristics of dual-core photonic crystal fiber couplers

  Kunimasa Saitoh;Yuichiro Sato;Masanori Koshiba

  324
  Citations

• Multi-core fiber design and analysis: coupled-mode theory and coupled-power theory

  Masanori Koshiba;Kunimasa Saitoh;Katsuhiro Takenaga;Shoichiro Matsuo

  312
  Citations

• Curvilinear hybrid edge/nodal elements with triangular shape for guided-wave problems

  M. Koshiba;Y. Tsuji

  308
  Citations

• Time-domain beam propagation method and its application to photonic crystal circuits

  M. Koshiba;Y. Tsuji;M. Hikari

  272
  Citations

• Ultra-flattened chromatic dispersion controllability using a defected-core photonic crystal fiber with low confinement losses.

  Kunimasa Saitoh;Nikolaos Florous;Masanori Koshiba

  271
  Citations

• A Comprehensive Analysis of

  Nabil Osman;Masanori Koshiba;Ryosaku Kaji

  244
  Citations

• Reduction of crosstalk by trench-assisted multi-core fiber

  K. Takenaga;Y. Arakawa;S. Tanigawa;N. Guan

  240
  Citations

• Applicability of classical optical fiber theories to holey fibers

  Masanori Koshiba;Kunimasa Saitoh

  240
  Citations